In a circular DNA molecule of 126 bp with 10.5 bp/turn,which of the following represents an unstrained circle? (L = linking number,T = twist and W = writhe)
A)L = 12,T = 12,W = 0
B)L = 11,T = 11,W = 0
C)L = 11,T = 12,W = -1
D)L = 12,T = 11,W = +1
E)L = 11,T = 10,W = 0